/**
 * #      剑指 Offer 15
 * 名称   二进制中1的个数
 * 链接   https://leetcode-cn.com/problems/er-jin-zhi-zhong-1de-ge-shu-lcof
 * 题解   [802](https://leetcode-cn.com/problems/er-jin-zhi-zhong-1de-ge-shu-lcof/solution)
 * 通过率 73.1%
 * 难道   简单
 */

